#include <stdio.h>

char *Mystrcpy(char *dest,char *src)
{
    char *temp = dest;
    while(*src != '\0')
    {
        *temp++ = *src++;
    }
    *temp = '\0';
    return dest;
}

int main()
{
    char dest[]={0};
    char src[5]="hello";
    Mystrcpy(dest,src);
    printf("%s",dest);
    return 0;
}